Here is a helpful handout for your printmaking vocabulary needs at the elementary and middle school level. You can also print it poster size on your school's poster maker. It is hand-drawn for that sketchbook feel.
A poster encouraging kids to draw light til' they know it's right! So many kids draw hard and make it hard to erase the mistakes. Usually they waste paper because they cannot erase the original hard pencil marks. They need to know the basics of sketching.